Expedition Files
Josh Gates steps into the past to reveal shocking new secrets hidden within our world's most captivating mysteries.
- 2024-2026
- 4 seasons
- Discovery+
- Documentary, Action & Adventure, Suspense
- TV-14
Josh Gates steps into the past to reveal shocking new secrets hidden within our world's most captivating mysteries.
Season 3 Episode Guide
9 Episodes 2025 - 2026
Episode 0
Shark Files
Wed, Jul 23, 2025 42 mins
There's blood in the water as Josh Gates investigates the strangest shark mysteries ever told, from the real-life inspiration for Jaws to the shocking case of a tiger shark in captivity that vomited a human arm and helped police solve a gruesome murder.
Episode 1
Vanished
Wed, Nov 5, 2025 42 mins
What really happened to union boss Jimmy Hoffa? Could modern technology finally prove the existence of the Holy Grail? And did inventor Rudolf Diesel really die at sea, or did he stage his own disappearance?
Episode 2
Madness Explained
Wed, Nov 12, 2025 42 mins
Was witchcraft at work during the Salem Witch Trials, or an undiagnosed psychological illness? Did Britain's famous UFO sighting by military officials have a more earthly explanation? Who's really responsible for the murder of the "Mad Monk" of Russia?
Episode 3
Time Reveals All
Wed, Nov 19, 2025 42 mins
Over 80 years ago, a mysterious body was found on a beach, accompanied by only a cryptic note. The Trojan War and the Trojan Horse were once thought to be purely mythical, but the discovery of ruins reveals they were all too real. Did Shakespeare really write Shakespeare? New evidence may prove he didn't author his own works.
Episode 4
Lost Treasures
Wed, Dec 3, 2025 42 mins
Josh Gates hunts down the world's most elusive treasures. What really became of Konigsberg Castle's Amber Room, stolen by the Nazis? Could a lost hard drive in a British landfill hold millions in Bitcoin? Did King Solomon's legendary mines ever exist?
Episode 5
Behind the Myth
Wed, Dec 10, 2025 42 mins
High on Everest's icy slopes, two climbers vanish into legend. In a quiet West Virginia town, a ghost demands justice from beyond the grave. And learn the real story of Mata Hari -- the exotic dancer condemned as a German spy.
Episode 6
Strange but True
Wed, Jan 7, 2026 42 mins
A real-life child whose possession inspired "The Exorcist"; a master con artist who left a trail of deception (and perhaps even murder); and an ancient army defeated by hallucinogenic honey -- these three stories prove that truth can outmatch fiction.
Episode 7
Mysterious Endings
Wed, Jan 14, 2026 42 mins
Did MKUltra's mind-control experiments spiral beyond the agency's grasp? Was Cleopatra's death truly by her own hand, or a political assassination disguised as legend? Where did a painting worth $160 million disappear to without a trace?
Episode 8
History Got It Wrong
Wed, Jan 21, 2026 42 mins
Was Hindenburg truly destroyed by accident or by sabotage? Could famous Patterson-Gimlin Bigfoot footage hold clues that only modern analysis can define? What happened when 50,000 Persian soldiers disappeared without a trace in 524 B.C.?